moved blocks present

VPC resource mapped

IGW resource mapped

Security groups mapped

Subnet resources mapped

No terraform state mv

Module sources versioned

No direct module coupling

VPC module single responsibility

Plan step in migration plan

Show/verify step

Non-production first

No-changes condition

for_each with toset()

count conditional gateway

try() for IGW output

merge() for tags

Typed object variables

Variable descriptions

CIDR validation rule

Output descriptions

README usage example

README inputs table

README outputs table

README requirements

Single responsibility

No map(map(any))